Beyma SM212-N2

12" · 8 Ω · 350 W · 96.7 dB · datasheet ↗

Thiele-Small parameters

Nominal size	12"
Impedance	8 Ω
Fs	43 Hz
Qts	0.372
Qes	0.4
Qms	5.3
Vas	103 L
Sd	550 cm²
Xmax	6.9 mm
Re	5.5 Ω
Bl	14.5 T·m
Mms	56.4 g
Pe	350 W
Sensitivity	96.7 dB

Alignment hint

EBP	108 · ported
Sealed Vb (Qtc ≈ 0.71)	≈ 39.4 L

EBP > 100: favours a ported (bass-reflex) alignment.

Rules of thumb from T/S parameters only. Verify against a real simulation before cutting wood.

Substitute candidates

Driver	Fs (Hz)	Qts	Vas (L)	Xmax (mm)	Sens (dB)	Fit	Notes	Compare
Beyma SM212 v2018	43 =	0.381 +0.01	103 =	7 +0.1	96.6 -0.1	close		+
Faital PRO 12PR320-08 v2022	42 -1	0.371 =	113 +10	7.1 +0.2	97.1 +0.4	close		+
Faital PRO 12PR320	42 -1	0.37 =	113.3 +10.3	7.37 +0.47	97 +0.3	close		+
Beyma 12MW/ND	43 =	0.328 -0.04	100 -3	6.5 -0.4	96.9 +0.2	close	Xmax 6.5 mm < 6.9 mm: lower excursion-limited SPL	+
PHL Audio 4590	43 =	0.36 -0.01	90 -13	6 -0.9	96.2 -0.5	close	Xmax 6 mm < 6.9 mm: lower excursion-limited SPL	+
PHL Audio 4530P	42 -1	0.36 -0.01	93 -10	6 -0.9	96.1 -0.6	close	Xmax 6 mm < 6.9 mm: lower excursion-limited SPL	+
PHL Audio 4531	42 -1	0.36 -0.01	93 -10	6 -0.9	96.1 -0.6	close	Xmax 6 mm < 6.9 mm: lower excursion-limited SPL	+
RCF W 300	39.5 -3.5	0.391 +0.02	90 -13	6.9 =	96.4 -0.3	close	4 Ω vs 8 Ω: amp load changes	+
DAS Audio P-12	42 -1	0.329 -0.04	105 +2	6 -0.9	96.5 -0.2	close	Xmax 6 mm < 6.9 mm: lower excursion-limited SPL	+
Beyma SM212 vp Nº2	41.7 -1.3	0.41 +0.04	110.7 +7.7	7.3 +0.4	95.2 -1.5	close		+

Compare the closest 3 against the SM212-N2 →

Ranked on parameter similarity only (Qts, Fs, Vas, Xmax, sensitivity). Same nominal size required. A hint, not a simulation, model the swap before cutting or buying.

Used in enclosures (0)

No enclosure in the catalog uses this driver yet.